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ID

VAR-202107-0080


CVE

CVE-2020-20215


TITLE

Mikrotik RouterOs  Buffer Error Vulnerability

Trust: 0.8

sources: JVNDB: JVNDB-2021-008943

DESCRIPTION

Mikrotik RouterOs 6.44.6 (long-term tree) suffers from a memory corruption vulnerability in the /nova/bin/diskd process. An authenticated remote attacker can cause a Denial of Service due to invalid memory access. Mikrotik RouterOs Is vulnerable to a buffer error.Denial of service (DoS) It may be put into a state. MikroTik RouterOS is a Linux-based router operating system developed by Latvian MikroTik Company. The system can be deployed in a PC so that it provides router functionality. There is a buffer error vulnerability in Mikrotik RouterOs. The following products and versions are affected: Mikrotik RouterOs prior to 6.44.6. Re: Three vulnerabilities found in MikroTik's RouterOS

Trust: 1.8

sources: NVD: CVE-2020-20215 // JVNDB: JVNDB-2021-008943 // VULHUB: VHN-173671 // VULMON: CVE-2020-20215

AFFECTED PRODUCTS

vendor:mikrotikmodel:routerosscope:eqversion:6.44.6

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vendor:mikrotikmodel:routerosscope:eqversion: -

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vendor:mikrotikmodel:routerosscope:eqversion:6.44.6 (long-term tree)

Trust: 0.8

sources: JVNDB: JVNDB-2021-008943 // NVD: CVE-2020-20215

CVSS

SEVERITY

CVSSV2

CVSSV3

nvd@nist.gov: CVE-2020-20215
value: MEDIUM

Trust: 1.0

NVD: CVE-2020-20215
value: MEDIUM

Trust: 0.8

CNNVD: CNNVD-202107-358
value: MEDIUM

Trust: 0.6

VULHUB: VHN-173671
value: MEDIUM

Trust: 0.1

nvd@nist.gov: CVE-2020-20215
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 1.8

VULHUB: VHN-173671
severity: MEDIUM
baseScore: 4.0
vectorString: AV:N/AC:L/AU:S/C:N/I:N/A:P
accessVector: NETWORK
accessComplexity: LOW
authentication: SINGLE
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: PARTIAL
exploitabilityScore: 8.0
impactScore: 2.9
acInsufInfo: NONE
obtainAllPrivilege: NONE
obtainUserPrivilege: NONE
obtainOtherPrivilege: NONE
userInteractionRequired: NONE
version: 2.0

Trust: 0.1

nvd@nist.gov: CVE-2020-20215
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: 2.8
impactScore: 3.6
version: 3.1

Trust: 1.0

NVD: CVE-2020-20215
baseSeverity: MEDIUM
baseScore: 6.5
vectorString: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
attackVector: NETWORK
attackComplexity: LOW
privilegesRequired: LOW
userInteraction: NONE
scope: UNCHANGED
confidentialityImpact: NONE
integrityImpact: NONE
availabilityImpact: HIGH
exploitabilityScore: NONE
impactScore: NONE
version: 3.0

Trust: 0.8

sources: VULHUB: VHN-173671 // JVNDB: JVNDB-2021-008943 // CNNVD: CNNVD-202107-358 // NVD: CVE-2020-20215

PROBLEMTYPE DATA

problemtype:CWE-787

Trust: 1.1

problemtype:Buffer error (CWE-119) [NVD Evaluation ]

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problemtype:CWE-119

Trust: 0.1

sources: VULHUB: VHN-173671 // JVNDB: JVNDB-2021-008943 // NVD: CVE-2020-20215

THREAT TYPE

remote

Trust: 0.6

sources: CNNVD: CNNVD-202107-358

TYPE

buffer error

Trust: 0.6

sources: CNNVD: CNNVD-202107-358

PATCH

title:Top Pageurl:https://mikrotik.com/

Trust: 0.8

title:Mikrotik RouterOs Buffer error vulnerability fixurl:http://www.cnnvd.org.cn/web/xxk/bdxqById.tag?id=156194

Trust: 0.6

sources: JVNDB: JVNDB-2021-008943 // CNNVD: CNNVD-202107-358

EXTERNAL IDS

db:NVDid:CVE-2020-20215

Trust: 3.4

db:JVNDBid:JVNDB-2021-008943

Trust: 0.8

db:CNNVDid:CNNVD-202107-358

Trust: 0.6

db:VULHUBid:VHN-173671

Trust: 0.1

db:VULMONid:CVE-2020-20215

Trust: 0.1

sources: VULHUB: VHN-173671 // VULMON: CVE-2020-20215 // JVNDB: JVNDB-2021-008943 // CNNVD: CNNVD-202107-358 // NVD: CVE-2020-20215

REFERENCES

url:http://seclists.org/fulldisclosure/2021/may/10

Trust: 2.6

url:https://mikrotik.com/

Trust: 1.7

url:https://nvd.nist.gov/vuln/detail/cve-2020-20215

Trust: 0.8

sources: VULHUB: VHN-173671 // VULMON: CVE-2020-20215 // JVNDB: JVNDB-2021-008943 // CNNVD: CNNVD-202107-358 // NVD: CVE-2020-20215

SOURCES

db:VULHUBid:VHN-173671
db:VULMONid:CVE-2020-20215
db:JVNDBid:JVNDB-2021-008943
db:CNNVDid:CNNVD-202107-358
db:NVDid:CVE-2020-20215

LAST UPDATE DATE

2024-08-14T15:22:13.092000+00:00


SOURCES UPDATE DATE

db:VULHUBid:VHN-173671date:2022-05-03T00:00:00
db:JVNDBid:JVNDB-2021-008943date:2022-03-31T08:42:00
db:CNNVDid:CNNVD-202107-358date:2022-05-05T00:00:00
db:NVDid:CVE-2020-20215date:2022-05-03T16:04:40.443

SOURCES RELEASE DATE

db:VULHUBid:VHN-173671date:2021-07-07T00:00:00
db:JVNDBid:JVNDB-2021-008943date:2022-03-31T00:00:00
db:CNNVDid:CNNVD-202107-358date:2021-07-07T00:00:00
db:NVDid:CVE-2020-20215date:2021-07-07T14:15:09.457